[ODE] GCC Stack Size, stepfast disabling bodies, and SIMD idea

david@csworkbench.com david at csworkbench.com
Fri Apr 4 07:42:01 2003


> david@csworkbench.com wrote:
>> Does anyone know how big of a stack GCC allocates....
>
> Depends on the architecture, OS... and the linker!

Figured.  (After I knew where to look, the ld man page said default was
reserve 2MB, commit 4k).

>  > and how to change
>> that?  Reading through the man pages, -mstack-size doesn't seem to be
>> an option for i386 processors.
>
> Using a GNU ld you can use for example --stack 128000000 to
> define a 128MB runtime stack for the resulting executable.  I
> don't know which architectures that's good for -- a very cursory
> look at the man page seems to indicate it's universal...

Exactly what I needed to know.... Thanks a bunch!  I'll try it when I get
off work tonight.

David

> --
> Adam D. Moss   . ,,^^   adam@gimp.org   http://www.foxbox.org/   co:3
> "Half of the harm that is done in this world is due to people who
> want to feel important.  They don't mean to do harm.  But the harm does
> not interest them." -- T. S. Eliot
>
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